56563120 has 40 divisors (see below), whose sum is σ = 132045120. Its totient is φ = 22533120.

The previous prime is 56563109. The next prime is 56563139. The reversal of 56563120 is 2136565.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20376 + ... + 22984.

It is an arithmetic number, because the mean of its divisors is an integer number (3301128).

Almost surely, 2^56563120 is an apocalyptic number.

It is an amenable number.

56563120 is an abundant number, since it is smaller than the sum of its proper divisors (75482000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56563120 is a wasteful number, since it uses less digits than its factorization.

56563120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893 (or 2887 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 56563120 is about 7520.8456971274. The cubic root of 56563120 is about 383.8643545782.

Adding to 56563120 its reverse (2136565), we get a palindrome (58699685).

The spelling of 56563120 in words is "fifty-six million, five hundred sixty-three thousand, one hundred twenty".